Thermostatic electric switch and thermal biasing assembly theref

Details Thermostatic electric switch and thermal biasing assembly theref Thermostatic electric switch and thermal biasing assembly theref

1984-11-13

1986-05-27

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337102, 337354, H01H 6102, H01H 3752

Patent

active

045918201

ABSTRACT:
A housing has a switch chamber in which an electric switch is placed and a recess in which is received a snap acting, thermally responsive disc which actuates and deactuates the switch upon snapping from one configuration to another. A drop in thermal biasing assembly used to modify the operating temperature of the disc has a pair of cylindrical film type resistors electrically connected in parallel circuit relation and physically connected to a pair of connectors. An assembly having resistors of a rating chosen for a particular application is dropped into the recess before the disc is assembled, the connectors sliding into matching bores formed in the housing. The connectors are attached to suitable terminals and the disc is then placed over the thermal biasing assembly to provide a multiple temperature operating thermostat.

REFERENCES:
patent: 4533894 (1985-08-01), Bishop et al.

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